/* tests/compiler2/catch/CriticalEdgeSplitTest.cpp - CriticalEdgeSplitTest
   Copyright (C) 2013
   CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO

   This file is part of CACAO.

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 2, or (at
   your option) any later version.

   This program is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
   02110-1301, USA.

*/

#include "framework/catch.hpp"
#include "framework/PassRunner.hpp"

#include "vm/jit/compiler2/MachineInstructionSchedulingPass.hpp"

using namespace cacao::jit::compiler2;

TEST_CASE("Simple edges are not split", "[CriticalEdge]")
{
	TestPassRunner runner;
	runner.until<MachineInstructionSchedulingPass>("CriticalEdgeSplitTest", "noSplit", "()I");

	auto MIS = runner.get_Artifact<LIRInstructionScheduleArtifact>()->MIS;

	REQUIRE(MIS->size() == 1);
}

TEST_CASE("Simple if should be split", "[CriticalEdge]")
{
	TestPassRunner runner;
	runner.until<MachineInstructionSchedulingPass>("CriticalEdgeSplitTest", "simpleIf", "()I");

	auto MIS = runner.get_Artifact<LIRInstructionScheduleArtifact>()->MIS;

	REQUIRE(MIS->size() == 4);
}

TEST_CASE("Simple if-else should NOT be split", "[CriticalEdge]")
{
	TestPassRunner runner;
	runner.until<MachineInstructionSchedulingPass>("CriticalEdgeSplitTest", "noSplitIfElse", "()I");

	auto MIS = runner.get_Artifact<LIRInstructionScheduleArtifact>()->MIS;

	REQUIRE(MIS->size() == 4);
}

TEST_CASE("Modified factorial function has 2 critical edges", "[CriticalEdge]")
{
	TestPassRunner runner;
	runner.until<MachineInstructionSchedulingPass>("CriticalEdgeSplitTest", "modifiedFact", "()I");

	auto MIS = runner.get_Artifact<LIRInstructionScheduleArtifact>()->MIS;

	REQUIRE(MIS->size() == 7);
}

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